Anti-tarnishing preparations for coating metals

Application of coatings to metal parts for others

Metal fasteners, namely, nails, bolts, screws, rivets, anchor bolts, washers, nuts, springs, clips and clamps, pins, cotter pins, coiled spring pins, slotted spring pins, studs, pipes, and pipe fittings, all made of ferrous metals, including low and medium carbon steel, alloy steel, atmospheric corrosion-resistant steel, and steel that has been heat-treated, quenched and tempered, for assembly of machines, small or large appliances, farm and garden equipment, furniture, toys, pipes, electrica...

Optical transceivers and systems for high-speed optical networks and supporting integrated circuits, namely, optical transceivers for passive optical networks; optical video signal generators for cable television and receivers for cable television; digital optical repeaters for radio and television stations to extend the transmission distance of optical networks; and integrated circuits for broadband digital optical communications